Symbol maps, such as those used by Oakland Crimespotting, are great for visualizing discrete events across time and space. But what happens if you want to show thousands of points? Here we use k-means clustering to coalesce dots and visualize the density of crime in Oakland.

The map background is a monochrome image layer from CloudMade. Register a developer account with CloudMade for your own API key. Crime data is sourced from CrimeWatch.....

While America braces itself for record low temperatures Australians are basking in a heatwave. ABC has created a Live Heatwave Tracker to map temperatures that have hit as high as 50 degrees centigrade.

A History Of The World In 12 Maps The Star Online Despite their differences, these maps share thought-provoking commonalities, mainly for the way they reveal the priorities of their author-cartographers.

STV Edinburgh The science of cartography is unlimited...to Jerry STV Edinburgh The science of cartography is unlimited...to Jerry. Meet Jerry, for 50 years he's been making a map of an imaginary world and now it's here in Scotland.

Dutch researchers were able to successfully map levels of atmospheric particulates by pulling data from over 8,000 smartphone users. A team from the University of Leiden in the Netherlands developed a smart-phone adaptor called an iSPEX.

Ongoing storms and heavy rain since 23 December 2013 has caused flooding across the United Kingdom. One person has been reported killed, and it is estimated that over 300 properties have been flooded so far.

In England a number of major rivers are in the process of flooding, or are expected to do so over the next few days. Significant flooding is expected along the Thames, Severn, and Stour rivers. Due to the continuing rain, saturated ground is also contributing to flooding.

Roads and train services have been disrupted by the flooding and turbulent conditions.

For centuries New Year's Eve has been known as a time of quite reflection. A time when people around the world spend a quiet abstemious night in perusing over old maps.

This year, for your night of quiet study, you are spoilt for choice, as 2013 proved to be an epic year in the world of interactive mapping. Not only did we see some epic maps this year, we also saw the world of neo-geography move firmly onto the center stage of the online zeitgeist. Which means that this year you have a great choice of 'Maps of the Year' posts from across the internet.

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